| 2008 – present |
Cofounder and CEO, Marzano Research Laboratory |
| 2001-2008 |
President, Marzano & Associates/Senior Scholar, McREL/Associate Professor, Cardinal Stritch University |
| 1998-2001 |
Senior Fellow, McREL |
| 1994-1998 |
Vice President, McREL Institute |
| 1989-1994 |
Deputy Director of Training and Development, McREL |
| 1981-1989 |
Director of Research, McREL |
| 1978-1981 |
Associate Professor, University of Colorado Denver |
| 1974-1977 |
Assistant Professor (reading, language arts, research methodology) University of Colorado Denver |
| 1972-1974 |
Triple T Project Participant, University of Washington (Seattle) |
| 1969-1971 |
English Department Chairman, O'Dea High School, Seattle, Washington |
| 1967-1968 |
English Teacher, New York Public Schools |